Otitis media.
D000208:Acute Disease; D000233:Adenoidectomy; D000367:Age Factors; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008876:Middle Ear Ventilation; D010033:Otitis Media / Q000175:diagnosis / Q000188:drug therapy / Q000601:surgery*; D010034:Otitis Media with Effusion / Q000188:drug therapy / Q000601:surgery
D000900:Anti-Bacterial Agents